Home / 151,922.07-209,660.67-91,511.46

Finding the Fourth Proportional to 151,922.07, 209,660.67 and 91,511.46

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Solution

The fourth proportional to 151,922.07, 209,660.67 and 91,511.46 is: 126,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,922.07 : 209,660.67 = 91,511.46 : x
  2. Step 2: Convert to fraction form
    151,922.07/209,660.67 = 91,511.46/x
  3. Step 3: Cross multiply
    151,922.07x = 209,660.67 × 91,511.46
  4. Step 4: Simplify right side
    151,922.07x = 19,186,354,016.28
  5. Step 5: Solve for x
    x = 19,186,354,016.28/151,922.07
  6. Step 6: Final answer
    x = 126,290.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.